[FEATURE] Allow copying symbols from style manager

Allows symbols to be copied from the style manager dialog, so that they can be pasted elsewhere in QGIS (e.g. in symbol or color buttons)
qgis · Jul 25, 2019 · 732bc29 · 732bc29
1 parent 4e33bc1
commit 732bc29
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Showing 2 changed files with 55 additions and 0 deletions.
diff --git a/src/gui/symbology/qgsstylemanagerdialog.cpp b/src/gui/symbology/qgsstylemanagerdialog.cpp
@@ -41,6 +41,7 @@
 #include <QPushButton>
 #include <QStandardItemModel>
 #include <QMenu>
+#include <QClipboard>
 
 #include "qgsapplication.h"
 #include "qgslogger.h"
@@ -222,6 +223,9 @@ QgsStyleManagerDialog::QgsStyleManagerDialog( QgsStyle *style, QWidget *parent,
     mCopyToDefaultButton->hide();
   }
 
+  mActionCopySymbol = new QAction( tr( "Copy Item" ), this );
+  connect( mActionCopySymbol, &QAction::triggered, this, &QgsStyleManagerDialog::copyItem );
+
   shareMenu->addSeparator();
   shareMenu->addAction( actnExportAsPNG );
   shareMenu->addAction( actnExportAsSVG );
@@ -366,6 +370,7 @@ QgsStyleManagerDialog::QgsStyleManagerDialog( QgsStyle *style, QWidget *parent,
     mGroupMenu->addSeparator()->setParent( this );
     mGroupMenu->addAction( actnRemoveItem );
     mGroupMenu->addAction( actnEditItem );
+    mGroupMenu->addAction( mActionCopySymbol );
     mGroupMenu->addSeparator()->setParent( this );
   }
   else
@@ -376,6 +381,8 @@ QgsStyleManagerDialog::QgsStyleManagerDialog( QgsStyle *style, QWidget *parent,
     btnAddSmartgroup->setVisible( false );
     btnAddTag->setVisible( false );
     btnManageGroups->setVisible( false );
+
+    mGroupMenu->addAction( mActionCopySymbol );
   }
   if ( mActionCopyToDefault )
   {
@@ -532,6 +539,46 @@ void QgsStyleManagerDialog::copyItemsToDefault()
   }
 }
 
+void QgsStyleManagerDialog::copyItem()
+{
+  const QList< ItemDetails > items = selectedItems();
+  if ( items.empty() )
+    return;
+
+  ItemDetails details = items.at( 0 );
+  switch ( details.entityType )
+  {
+    case QgsStyle::SymbolEntity:
+    {
+      std::unique_ptr< QgsSymbol > symbol( mStyle->symbol( details.name ) );
+      if ( !symbol )
+        return;
+      QApplication::clipboard()->setMimeData( QgsSymbolLayerUtils::symbolToMimeData( symbol.get() ) );
+      break;
+    }
+
+    case QgsStyle::TextFormatEntity:
+    {
+      const QgsTextFormat format( mStyle->textFormat( details.name ) );
+      QApplication::clipboard()->setMimeData( format.toMimeData() );
+      break;
+    }
+
+    case QgsStyle::LabelSettingsEntity:
+    {
+      const QgsTextFormat format( mStyle->labelSettings( details.name ).format() );
+      QApplication::clipboard()->setMimeData( format.toMimeData() );
+      break;
+    }
+
+    case QgsStyle::ColorrampEntity:
+    case QgsStyle::TagEntity:
+    case QgsStyle::SmartgroupEntity:
+      return;
+
+  };
+}
+
 int QgsStyleManagerDialog::selectedItemType()
 {
   QModelIndex index = listItems->selectionModel()->currentIndex();
@@ -2076,6 +2123,7 @@ void QgsStyleManagerDialog::enableItemsForGroupingMode( bool enable )
   // The actions
   actnRemoveItem->setEnabled( enable );
   actnEditItem->setEnabled( enable );
+  mActionCopySymbol->setEnabled( enable );
 }
 
 void QgsStyleManagerDialog::grouptreeContextMenu( QPoint point )
@@ -2120,6 +2168,9 @@ void QgsStyleManagerDialog::listitemsContextMenu( QPoint point )
     mGroupListMenu->addAction( a );
   }
 
+  const QList< ItemDetails > items = selectedItems();
+  mActionCopySymbol->setEnabled( !items.isEmpty() && ( items.at( 0 ).entityType != QgsStyle::ColorrampEntity ) );
+
   mGroupMenu->popup( globalPos );
 }
 

diff --git a/src/gui/symbology/qgsstylemanagerdialog.h b/src/gui/symbology/qgsstylemanagerdialog.h
@@ -331,6 +331,8 @@ class GUI_EXPORT QgsStyleManagerDialog : public QDialog, private Ui::QgsStyleMan
 
     void copyItemsToDefault();
 
+    void copyItem();
+
   private:
     int selectedItemType();
 
@@ -391,6 +393,8 @@ class GUI_EXPORT QgsStyleManagerDialog : public QDialog, private Ui::QgsStyleMan
 
     QAction *mActionCopyToDefault = nullptr;
 
+    QAction *mActionCopySymbol = nullptr;
+
     int mBlockGroupUpdates = 0;
 
     bool mReadOnly = false;